frequency

dose Google AJAX Language API have frequency limited?

i have many documents need to be translate,so i want to know is there some frequency limitation for this api,i didn't found any relevent information,any advice is welcome ...

Bash script to find the frequency of every letter in a file

I am trying to find out the frequency of appearance of every letter in the english alphabet in an input file. How can I do this in a bash script? ...

Generating sine, square, triangle, sawtooth audio signals using Android's AudioTrack Class

Hi, My objective is to generate sine, square, triangle and sawtooth signals with Android's AudioTrack Class. I have made an attempt based on a tutorial. It works relatively well, although I'm not always sure how accurate the frequency generated corresponds with the frequency aimed at. I would like to make square, triangle etc. functi...

How do I analyze an audio file for output frequency and duration?

I have a function that can play set frequencies. The function's inputs are frequency and duration. How can I analyze a sound file so that I have the output frequency for every milisecond of audio. e.g.: MS, Frequency 1, 400 2, 401 3, 402 etc. If there is Mac based software that can do this, I'd be fine with preprocessing the audio file...

What range sound frequency can be measured from iphone's microphone

hi all... i want to know the range of frequency that the iphone's microphone can listen and can we play the least frequency sound recorded by iphone's microphone.. how to record a sound(any sound or voice) through iphone's microphone and how to save that..? Thanks ...